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ASA/USA Softball


Stay on top of the game by learning the Official Rules of Softball, as published by the Amateur Softball Association of America.

Now available for iOS (iPhones/iPads) and for Android devices, find out how our Apps can help you learn the rules of softball.

iOS Download on the App Store 
 Android Download on Google Play Store

Note: The ASA's printed rule book is not for sale. Rulebooks are included with registration materials when you register your ASA team or when you register as an Umpire. For more information on the ASA's registration process please visit the ASA local associations page and contact your local association.